RT

Ryoichi Takahata

KC Koyo Seiko Co.: 2 patents #3 of 39Top 8%
Overall (1994): #20,652 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5330967 Superconducting bearing device stabilized by trapped flux Shoji Eguchi 1994-07-19
5314868 Bearing device Hirochika Ueyama 1994-05-24